
/**  
* @Title: IpUtil.java
* @Package com.utils.ip
* @Description: 
* @author likai
* @date 2016年11月22日
* @version V1.0  
*/

package com.utils.ip;

import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.net.InetAddress;
import java.net.URL;
import java.net.UnknownHostException;
import java.util.HashMap;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;

import com.utils.transtype.TransType;

/**
 * @ClassName: IpUtil
 * @Description:
 * @author likai
 * @date 2016年11月22日
 *
 */

public class IpUtil {

	/**
	 * 获取请求真实ip
	 * 
	 * 
	 */
	public static String getRequestIp(HttpServletRequest request) {
		String ipAddress = null;
		// ipAddress = request.getRemoteAddr();
		ipAddress = request.getHeader("x-forwarded-for");
		if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
			ipAddress = request.getHeader("Proxy-Client-IP");
		}
		if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
			ipAddress = request.getHeader("WL-Proxy-Client-IP");
		}
		if (ipAddress == null || ipAddress.length() == 0 || "unknown".equalsIgnoreCase(ipAddress)) {
			ipAddress = request.getRemoteAddr();
			if (ipAddress.equals("127.0.0.1")) {
				// 根据网卡取本机配置的IP
				InetAddress inet = null;
				try {
					inet = InetAddress.getLocalHost();
				} catch (UnknownHostException e) {
					e.printStackTrace();
				}
				ipAddress = inet.getHostAddress();
			}

		}

		// 对于通过多个代理的情况，第一个IP为客户端真实IP,多个IP按照','分割
		if (ipAddress != null && ipAddress.length() > 15) { // "***.***.***.***".length()
															// = 15
			if (ipAddress.indexOf(",") > 0) {
				ipAddress = ipAddress.substring(0, ipAddress.indexOf(","));
			}
		}
		return ipAddress;
	}

	/**
	 * 获取指定IP的区域位置
	 * 
	 * @param content
	 *            请求的参数 格式为：name=xxx&pwd=xxx
	 * @param encoding
	 *            服务器端请求编码。如GBK,UTF-8等
	 * @return
	 * @throws UnsupportedEncodingException
	 */
	@SuppressWarnings("unchecked")
	public static Map<String, Object> getAddresses(String ip) {
		Map<String, Object> result = new HashMap<String, Object>();
		try {
			if (ip != null && !ip.equals("") && !ip.startsWith("192.")) {
				// 这里调用pconline的接口
				String urlStr = "http://ip.taobao.com/service/getIpInfo.php";
				String returnStr = getResult(urlStr, "ip=" + ip, "utf-8");
				if (returnStr != null) {
					Map<String, Object> data = (Map<String, Object>) TransType.fromJson(returnStr, Map.class);
					result = (Map<String, Object>) data.get("data");
				}
			}
		} catch (Exception e) {
		}
		return result;

	}

	/**
	 * @param urlStr
	 *            请求的地址
	 * @param content
	 *            请求的参数 格式为：name=xxx&pwd=xxx
	 * @param encoding
	 *            服务器端请求编码。如GBK,UTF-8等
	 * @return
	 */
	private static String getResult(String urlStr, String content, String encoding) {
		URL url = null;
		HttpURLConnection connection = null;
		DataOutputStream out = null;
		OutputStream ot = null;
		InputStreamReader inputStreamReader = null;
		InputStream in = null;
		BufferedReader reader = null;
		try {
			url = new URL(urlStr);
			connection = (HttpURLConnection) url.openConnection();// 新建连接实例
			connection.setConnectTimeout(2000);// 设置连接超时时间，单位毫秒
			connection.setReadTimeout(2000);// 设置读取数据超时时间，单位毫秒
			connection.setDoOutput(true);// 是否打开输出流 true|false
			connection.setDoInput(true);// 是否打开输入流true|false
			connection.setRequestMethod("POST");// 提交方法POST|GET
			connection.setUseCaches(false);// 是否缓存true|false
			connection.connect();// 打开连接端口
			ot = connection.getOutputStream();
			out = new DataOutputStream(ot);// 打开输出流往对端服务器写数据
			out.writeBytes(content);// 写数据,也就是提交你的表单 name=xxx&pwd=xxx
			out.flush();// 刷新
			in = connection.getInputStream();
			inputStreamReader = new InputStreamReader(in, encoding);
			reader = new BufferedReader(inputStreamReader);// 往对端写完数据对端服务器返回数据
			// ,以BufferedReader流来读取
			StringBuffer buffer = new StringBuffer();
			String line = "";
			while ((line = reader.readLine()) != null) {
				buffer.append(line);
			}
			reader.close();
			return buffer.toString();
		} catch (IOException e) {
		} finally {
			if (connection != null) {
				connection.disconnect();// 关闭连接
			}
			try {
				if (out != null) {
					out.close();
				}
				if (ot != null) {
					ot.close();// 关闭输出流
				}
				if (inputStreamReader != null) {
					inputStreamReader.close();// 关闭输出流
				}
				if (in != null) {
					in.close();// 关闭输出流
				}
				if (reader != null) {
					reader.close();// 关闭输出流
				}
			} catch (IOException e) {
			}

		}
		return null;
	}

	/**
	 * unicode 转换成 中文
	 * 
	 * @author fanhui 2007-3-15
	 * @param theString
	 * @return
	 */
	public static String decodeUnicode(String theString) {
		char aChar;
		int len = theString.length();
		StringBuffer outBuffer = new StringBuffer(len);
		for (int x = 0; x < len;) {
			aChar = theString.charAt(x++);
			if (aChar == '\\') {
				aChar = theString.charAt(x++);
				if (aChar == 'u') {
					int value = 0;
					for (int i = 0; i < 4; i++) {
						aChar = theString.charAt(x++);
						switch (aChar) {
						case '0':
						case '1':
						case '2':
						case '3':
						case '4':
						case '5':
						case '6':
						case '7':
						case '8':
						case '9':
							value = (value << 4) + aChar - '0';
							break;
						case 'a':
						case 'b':
						case 'c':
						case 'd':
						case 'e':
						case 'f':
							value = (value << 4) + 10 + aChar - 'a';
							break;
						case 'A':
						case 'B':
						case 'C':
						case 'D':
						case 'E':
						case 'F':
							value = (value << 4) + 10 + aChar - 'A';
							break;
						default:
							throw new IllegalArgumentException("Malformed      encoding.");
						}
					}
					outBuffer.append((char) value);
				} else {
					if (aChar == 't') {
						aChar = '\t';
					} else if (aChar == 'r') {
						aChar = '\r';
					} else if (aChar == 'n') {
						aChar = '\n';
					} else if (aChar == 'f') {
						aChar = '\f';
					}
					outBuffer.append(aChar);
				}
			} else {
				outBuffer.append(aChar);
			}
		}
		return outBuffer.toString();
	}

	// 测试
	@SuppressWarnings("static-access")
	public static void main(String[] args) {
		IpUtil addressUtils = new IpUtil();
		String ip = "222.71.255.255";
		System.out.println(addressUtils.getAddresses(ip).toString());

	}

	
	
}
